EXPLANATION OF PLATES. 



PLATE 1. 



Fig. 1. Ophioderma panamensis Ltk., partial dorsal view. 



Fig. 2. Ophiomttxium jolliensis sp. nov., partial dorsal view. 



iig. 3. Partial ventral view of same. 



Fig. 4. Ophiomusium li/mani W. Tlios., partial dorsal view. 



Fig. 5. Partial ventral view of same. 



Fig. 6. Ophioplocus esmarki Ly., partial dorsal view. 



Fig. 7. Partial ventral view of same. 



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